B67D 7/76
Arrangements of devices for purifying liquids to be transferred
Official title: Arrangements of devices for purifying liquids to be transferred, e.g. of filters, of air or water separators
B67D7/76 (Arrangements of devices for purifying liquids to be transferred) appears on 156 US grants and 146 published applications in this corpus.
Search patents in B67D- Granted patents
- 156
- Published applications
- 146
- Assignees
- 118
- Inventors
- 326
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 1 |
| 2003 | 4 | 3 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 2 | 2 |
| 2010 | 3 | 2 |
| 2011 | 1 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 3 |
| 2014 | 3 | 10 |
| 2015 | 4 | 2 |
| 2016 | 6 | 10 |
| 2017 | 5 | 7 |
| 2018 | 2 | 7 |
| 2019 | 9 | 7 |
| 2020 | 7 | 16 |
| 2021 | 12 | 20 |
| 2022 | 7 | 15 |
| 2023 | 16 | 8 |
| 2024 | 11 | 6 |
| 2025 | 10 | 10 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multifunctional pumping assembly9 Jun 2026US 12,649,650 B2T.J. Clark International, LLC
- Systems and methods for use in dispensing biopharmaceutical materials10 Mar 2026US 12,570,516 B2Regeneron Pharmaceuticals, Inc.
- Liquid cooling system fill kit and method of use6 Jan 2026US 12,515,149 B2Hoffman Enclosures, Inc.
- Systems and methods for water production, treatment, adjustment and storage2 Dec 2025US 12,486,184 B2Source Global, PBC
- Dental paste filling device and method25 Nov 2025US 12,479,714 B2Shofu Inc.
- Multifunctional Pumping Assembly27 Aug 2026US 2026/0250119 A1T.J. Clark International, LLC
- Liquid cooling system fill kit and method of use9 Apr 2026US 2026/0097333 A1Hoffman Enclosures, Inc.
- Device for cleaning fuel and use thereof20 Nov 2025US 2025/0353607 A1
- Deaeration device6 Nov 2025US 2025/0340430 A1HEISHIN Ltd.
- Low level water sensor and method of use28 Aug 2025US 2025/0271290 A1Franklin Fueling Systems, Inc.
Most cited
By later US patents
- Compact water purification and beverage dispensing apparatus74US 5,064,097 AWater Center International Ltd. · 1991
- Liquid chemical dispensing and recirculating system62US 5,526,956 ANOW Technologies, Inc. · 1996
- Pump control system62US 5,856,783 ARaptor, Inc. · 1999
- Liquid chemical container and dispensing system59US 5,335,821 ANOW Technologies, Inc. · 1994
- Water purification apparatus48US 4,842,724 ANimbus Water Systems, Inc. · 1989